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Mathematics 11 Online
OpenStudy (anonymous):

If the probability of an event is 1/5 , and there are 20 total outcomes, how many favorable outcomes are there?

OpenStudy (welshfella):

1/5 * 20

OpenStudy (anonymous):

If the probability of an event is 32%, what is the probability of its complement occurring?

OpenStudy (welshfella):

(100 - 32) % becuse its 1005 certain that it or its complement will occur

OpenStudy (welshfella):

* 100% certain

OpenStudy (anonymous):

Which percent would represent an event that is about as likely as unlikely?

OpenStudy (anonymous):

67% 92% 7% 48%

OpenStudy (welshfella):

50% would be as likely as unlikely - so pick the one closest to that

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